Construction of supramolecular dimer photosensitizers based on triphenylamine derivatives and cucurbit[8]uril for photocatalysis
文献信息
Xin-Long Li, Dong-Liang Cheng, Kai-Kai Niu, Hui Liu, Sheng-Sheng Yu, Yue-Bo Wang, Ling-Bao Xing
Enhancing the capability for generating reactive oxygen species (ROS) and improving the photocatalytic efficiency of organic photocatalysts have been longstanding significant challenges. In the present study, we designed and synthesized two triphenylamine derivatives (MATM and MeOTPPy) with aggregation-induced emission (AIE) properties, which can interact with CB[8] through host–guest interactions in aqueous solution to construct supramolecular dimers (2MeOTPPy-CB[8] and 2MATM-CB[8]). In contrast to the D–A configuration observed in 2MATM-CB[8], the D–π–A configuration of 2MeOTPPy-CB[8] exhibits remarkable intersystem crossing (ISC) performance through the introduction of the thiophene group, which can significantly improve the ROS generation capacity, especially singlet oxygen (1O2), resulting in exceptional catalytic efficiency during the photocatalytic oxidation of thioanisole with a high yield of 94%. This work provides an efficient supramolecular dimer strategy for the preparation of novel photosensitizers.
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Journal of Materials Chemistry A

Journal of Materials Chemistry A, B & C cover high quality studies across all fields of materials chemistry. The journals focus on those theoretical or experimental studies that report new understanding, applications, properties and synthesis of materials. The journals have a strong history of publishing quality reports of interest to interdisciplinary communities and providing an efficient and rigorous service through peer review and publication. The journals are led by an international team of Editors-in-Chief and Associate Editors who are all active researchers in their fields. Journal of Materials Chemistry A, B & C are separated by the intended application of the material studied. Broadly, applications in energy and sustainability are of interest to Journal of Materials Chemistry A, applications in biology and medicine are of interest to Journal of Materials Chemistry B, and applications in optical, magnetic and electronic devices are of interest to Journal of Materials Chemistry C. More than one Journal of Materials Chemistry journal may be suitable for certain fields and researchers are encouraged to submit their paper to the journal that they feel best fits for their particular article. Example topic areas within the scope of Journal of Materials Chemistry A are listed below. This list is neither exhaustive nor exclusive. Artificial photosynthesis Batteries Carbon dioxide conversion Catalysis Fuel cells Gas capture/separation/storage Green/sustainable materials Hydrogen generation Hydrogen storage Photocatalysis Photovoltaics Self-cleaning materials Self-healing materials Sensors Supercapacitors Thermoelectrics Water splitting Water treatment

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